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Reblogged from chesheyer  99,338 notes

niiwa-angel:

pervocracy:

dysgraphicprogrammer:

pervocracy:

How to hack any hospital computer

-Use the password taped to the monitor

How to hack any hospital computer (L337 version for advanced security systems)

-Use the password taped to the back of the monitor

As a computer guy: This is what happens when you have too much security. It reaches a tipping point and then suddenly you have none.

Security at the cost of convenience comes at the cost of security.  

This is true of so many things in healthcare.  Example: our software is designed to automatically alert the doctor if a patient’s vital signs are critically out of range.  If someone has a blood pressure of 200/130, the doc gets a pop-up box that they have to acknowledge before doing anything else.  It makes sense, in our setting.

But then some mega-genius upstairs realized something: the system was only alerting for critical vital signs, but not for all vital signs that could possibly be bad.  Like, yeah, 200/130 is potentially life-threatening, but 130/90 is above ideal and can have negative effects on health.  Should the doctors be allowed to just ignore something that could negatively affect a patient’s health?  Heavens no!

So now the system generates a pop-up for any vital signs that are even slightly abnormal.  A pressure of 120/80 (once considered textbook normal, now considered slightly high) will create the pop-up.  We have increased our vigilance!

Well, no, what we’ve actually done is train doctors to click through a constant bombardment of pop-ups without looking.  We’ve destroyed their vigilance and made it much easier for them to accidentally skim past life-threatening vital signs.

But you can’t tell that to management, because you’d have to confess that you are a flawed human with limited attention resources.  They’d tell you “well, all the other doctors take every abnormal vital sign seriously, it sounds like you’re being negligent.”  And if you’re smart, you back down before you start telling the big boss all about your habit of ignoring critical safety alerts.

The end result is exactly the same as if we had no alerts at all, except with more annoying clicking.

The other issue is that most computer security is designed by people who will never work the jobs if those using their security systems.

No nurse has the mental bandwidth to remember 15 different passwords to 15 different computers. They have to remember which patients need what, who’s getting what medication when, who’s allergic to penicillin, and a million other things. Of course the passwords are going to be written on a piece of paper by the computers, they need to move fast.

My college apartment building made their fire alarms super sensitive, with the idea being that it would stop people from smoking in the units. What it actually did was set the damn things off all the time while people were cooking. So most people in the building just put cling film over their smoke alarms to stop them from reacting to regular cooking and would just take it off for an inspection.

Reblogged from chesheyer  132,749 notes

ruusverd:

relevant-catnik:

dsudis:

So wait are livestock guardian dogs to their flocks like… Clark Kent among the residents of Smallville? He’s been here since he was a baby, we all know him, and he’s… generally one-of-us shaped, uh, approximately. And then when something goes wrong he suddenly leaps into action and does some terrifying impossible shit none of us could do. And then comes back home and settles in like nothing happened and he’s one of us again.

Hmm.

image

HMMMMMMMMMMMMMM.

image

Actual answer: the sheep know the dogs are not sheep, and they also know the dog is protecting them and take their cues from the dog about whether they need to run for the barn or can just ignore anything scary that approaches.

However, a friend once had an extremely premature orphan lamb born in December who had to live in the house for a couple of months with leg braces and all that, who due to spending her lambhood with dogs instead of sheep came out of the whole experience convinced she was a livestock guardian dog! She would patrol the perimeter of the fields every evening with the actual dog, stand watch in the barn door at night like the dog, and was more than willing to throw down if she saw something scary coming towards the flock the way the guard dog did. Tragically orphaned lamb did a convincing job at being a guard dog without actually having any of the biological advantages a dog has over a sheep.

Which I suppose made her Sheep Batman.